As far as finding mentors go, perhaps "The Ultimate Guide to Finding Incredible Mentors" would be of use to you!

You can pick from all sorts of firms that are always looking for agents and they vary widely in what they ask of their agents.

Built 18 feet wide by 52 feet deep, this 4 story legal three family townhouse is rich with original details, and has had recent updates, including a new roof.

The learning has been incredible, and it has really given me a much better sense that this is in fact do-able!

I found this incredible duplex that's close Universities, Downtown and it's about a mile to a very highly desired area.

Throw in the tax benefits of depreciation and the higher income that you get in your pocket from real estate and I'm not seeing any reason to take the 401k over real estate.One of my favorite quotes from Warren Buffet: "Wide diversification is only required when investors do not understand what they are doing."

Be sure to look up @Mark Ferguson he is an incredible resource. 

The returns you're talking about on the properties above are incredible. 

For example,   how wide is the alley?

One thing I've mentioned before a few times as a caution to any "out of town" investors looking to buy in the lower or lowest priced areas of the city of Milwaukee (and that can honestly mean someone from across the country, or even a fellow city resident, especially say if they live in one of the very expensive parts of the city, or just outside of the immediate area they're investing in) because the city has had enough of people who see these incredibly low sale prices with comparably high rents and who want to come in and collect every last penny in rent, but pinch their pennies to an extreme when it comes to upkeep and especially the safety of their tenants.